Bio-Botanica, Inc. Marshmallow Root In Butylene Glycol is a product from the Malvaceae plant family, with the Latin name Althaea officinalis. Its key chemical constituents include starch (37%), mucilage (11%), pectin (11%), flavonoids, phenolic acids, sucrose, and asparagine. This product serves the functional categories of digestive and respiratory support and is also used in the cosmetic and personal care industry for skin and hair applications.